simple search

gistfile1.txt

  scope :search, lambda { |keywords|
    query = nil
    table = arel_table
    SEARCH_ATTRS.each do |attr|
      if attr == SEARCH_ATTRS.first
        query = table[attr].matches("%#{keywords}%")
      else
        query = query.or(table[attr].matches("%#{keywords}%"))
      end
    end; where(query)
  }